Compare phones
| Global Score | |
| 90.7 | 82.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 14 | Android 9.0 Pie, 8.0 Oreo |
| -- | 2018-08-27 |
| -- | 6.39 x 3.03 x 0.30 inches |
| -- | 6.74 ounces |
| -- | Black and White |
| Glass (Corning Gorilla Glass) and Titanium | Glass and Metal |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.8 inches | 6.3 inches |
| 3088 x 1440 pixels | 2220 x 1080 pixels |
| Dynamic AMOLED | Super AMOLED |
| 501 pixels per inch | 392 pixels per inch |
| 2600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 10.2 | 8 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 4 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 12 GB RAM | 6 GB RAM |
| Yes GPU | Adreno 512 GPU |
| 6.21 | 9.27 |
| Storage | |
| 256 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 400 GB) external memory slot |
| 13.3 | 11.34 |
| Camera | |
| 200.00 MP + 12.00 MP | 16.00 MP + 24.00 MP |
| f/1.70 aperture | f/1.70 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.77 inches (1/1.3") sensor | 0.36 inches (1/2.8") sensor |
| 7680 x 4320 (30 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 14.74 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 5000mAh Li - Ion Battery | 3700mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 5.68 |
| Other Features | |
| Bluetooth 5.3 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy S25 Ultra has a general score of 90.7, which is much better than the Samsung Galaxy A8 Star's overall score of 82.1. These phones come with Android operating system, but Galaxy S25 Ultra has the previous 14 version and Samsung Galaxy A8 Star has Android 9.0 Pie. Galaxy S25 Ultra is a a lot thinner and notably lighter device than the Samsung Galaxy A8 Star.
Samsung Galaxy S25 Ultra has a much more vibrant display than Galaxy A8 Star, because it has a better resolution of 1440 x 3088px, a better pixels number in each screen inch and a little bit larger display. Galaxy A8 Star features a very superior hardware performance than Samsung Galaxy S25 Ultra, although it has 6 GB less RAM, they both have 8 cpu cores.
Galaxy S25 Ultra has a quite bigger storage capacity to store more games and applications than Galaxy A8 Star, because although it has no SD card slot, it also counts with more internal memory. Samsung Galaxy S25 Ultra features improved battery performance than Galaxy A8 Star, because it has a 35 percent bigger battery capacity.
Galaxy S25 Ultra captures much clearer photos and videos than Samsung Galaxy A8 Star, and although they both have the same diafragm aperture, the Galaxy S25 Ultra also has a lot better video resolution, a much larger sensor which offers a way higher image and video quality and a camera with a much better resolution.
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